diff --git a/scripts/deploy_hub.ps1 b/scripts/deploy_hub.ps1
index f78de4d..d930b9f 100644
--- a/scripts/deploy_hub.ps1
+++ b/scripts/deploy_hub.ps1
@@ -46,7 +46,6 @@ try {
     if (-not $SkipTests) {
         # per-run basetemp: some tests ACL-lock their tmp dirs, which breaks pytest's shared default temp root
         $base = Join-Path (Join-Path $Root ".pytmp") ("run-" + (Get-Date -Format "yyyyMMddHHmmss"))
-un-" + (Get-Date -Format "yyyyMMddHHmmss"))
         & $Python -m pytest tests central/tests agent/tests -q -p no:cacheprovider --basetemp=$base
         if ($LASTEXITCODE -ne 0) { throw "tests failed - deploy aborted" }
     }